PERIODIC DROUGHTS AND LONG-TERM DYNAMICS OF ALVAR GRASSLAND VEGETATION ON OLAND, SWEDEN

被引：53
|
作者：
ROSEN, E
机构：
[1] Department of Ecologícal Botany, Uppsala University, Uppsala, S-752 36
来源：
FOLIA GEOBOTANICA & PHYTOTAXONOMICA | 1995年 / 30卷 / 02期
关键词：
CALLUNA VULGARIS; DROUGHT; FLUCTUATIONS; JUNIPERUS COMMUNIS; LIMESTONE GRASSLAND; OLAND; REGENERATION; SWEDEN;
D O I：
10.1007/BF02812093
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
Dynamics of vegetation was studied on Stora Alvaret in bland, Sweden, in comparison with precipitation in the May-July part of the growing period. Three data sets representing three main life forms (shrub, dwarf-shrub, and herbs) were collected: species composition eight grassland permanent plots (1969-1993, ass. Veronica spicata-Avenula pratensis), survival and health status of Juniperus communis (1975-1993), and Calluna vulgar's cover at two permanent plots for the same period. Mortality of Juniperus and Calluna and proportion of annual species were synchronized and correlated with severe droughts.
引用
收藏
页码：131 / 140
页数：10
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